Pascal Poupard
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View article: Transformation of Alternaria dauci demonstrates the involvement of two polyketide synthase genes in aldaulactone production and fungal pathogenicity
Transformation of Alternaria dauci demonstrates the involvement of two polyketide synthase genes in aldaulactone production and fungal pathogenicity Open
Chemical warfare between the host and the pathogen plays a crucial role in plant-necrotrophic pathogen interactions, but examples of its involvement in quantitative disease resistance in plants are poorly documented. In the Daucus carota-A…
View article: Characterization of NRPS and PKS genes involved in the biosynthesis of SMs in Alternaria dauci including the phytotoxic polyketide aldaulactone
Characterization of NRPS and PKS genes involved in the biosynthesis of SMs in Alternaria dauci including the phytotoxic polyketide aldaulactone Open
Alternaria dauci is a Dothideomycete fungus, causal agent of carrot leaf blight. As a member of the Alternaria genus, known to produce a lot of secondary metabolite toxins, A. dauci is also supposed to synthetize host specific and non-host…
View article: Characterization and pathogenicity of <i>Fusarium</i> spp. isolates causing root and collar rot on carrot
Characterization and pathogenicity of <i>Fusarium</i> spp. isolates causing root and collar rot on carrot Open
Since 2015, necrosis caused by Fusarium spp. has been regularly observed in carrot seed crops in France. A collection of 53 Fusarium isolates was gathered from lesions on carrot between 2016 and 2019. Morphological characterization at both…
View article: Enzymatic synthesis, structures, interactions with saliva proteins and quantification in juices of a series of dehydrodicaffeoylquinic acids, one of the main classes of oxidation products in apple-based beverages
Enzymatic synthesis, structures, interactions with saliva proteins and quantification in juices of a series of dehydrodicaffeoylquinic acids, one of the main classes of oxidation products in apple-based beverages Open
International audience
View article: Apple juices: How to increase the polyphenol diet while keeping the taste quality for consumers?
Apple juices: How to increase the polyphenol diet while keeping the taste quality for consumers? Open
International audience
View article: Identification and Quantification of a Phytotoxic Metabolite from Alternaria dauci
Identification and Quantification of a Phytotoxic Metabolite from Alternaria dauci Open
Alternaria dauci is the causal agent of Alternaria leaf blight (ALB) in carrot (Daucus carota) crops around the world. However, to date, A. dauci has received limited attention in its production of phytotoxic metabolites. In this investiga…
View article: Reversible self-aggregation of oxidized tannins in model solutions
Reversible self-aggregation of oxidized tannins in model solutions Open
International audience
View article: Aldaulactone – An Original Phytotoxic Secondary Metabolite Involved in the Aggressiveness of Alternaria dauci on Carrot
Aldaulactone – An Original Phytotoxic Secondary Metabolite Involved in the Aggressiveness of Alternaria dauci on Carrot Open
Qualitative plant resistance mechanisms and pathogen virulence have been extensively studied since the formulation of the gene-for-gene hypothesis. The mechanisms involved in the quantitative traits of aggressiveness and plant partial resi…
View article: Oxidised polyphenols are involved in haze formation in apple-based beverages
Oxidised polyphenols are involved in haze formation in apple-based beverages Open
International audience
View article: Characterization of fungal pathogens ( <i>Diaporthe angelicae</i> and <i>D. eres</i> ) responsible for umbel browning and stem necrosis on carrot in France
Characterization of fungal pathogens ( <i>Diaporthe angelicae</i> and <i>D. eres</i> ) responsible for umbel browning and stem necrosis on carrot in France Open
A collection of 102 Diaporthe isolates was compiled from lesions on carrot, parsley and wild Apiaceae species in France from 2010 to 2014. Molecular typing based on ITS rDNA sequences resulted in the identification of 85 D. angelicae and 1…
View article: Etude de la résistance partielle de la carotte à Alternaria dauci par une approche de phénotypage multi critères
Etude de la résistance partielle de la carotte à Alternaria dauci par une approche de phénotypage multi critères Open
The development of carrot varieties with a high and durable level of resistance inevitably requires implementation of highly discriminating phenotyping methods, reproducible and which can beimplemented on large numbers of plants. Current m…